\begin{table}%T1
\caption{\label{tab:properties}Properties of our 6.17~galaxy. $^{[1]}$: rest frame, $^{[2]}$: observed frame.}
%\centering
\par
\begin{tabular}{llccccccc} 
\hline\hline\noalign{\smallskip}
Alpha & Delta & NB920 & Ly$\alpha$$^{[2]}$ & \multicolumn{2}{c}{{\it FWHM}} & {\it EW}$^{[1]}$ & $F$(Ly$\alpha$)$^{[2]}$ & $F$(127.5.--129.4~nm)$^{[2]}$ \\ 
(2000)& (2000)& mag  &  nm        & nm$^{[2]}$    & km~s$^{-1}$ & \AA & 10$^{-17}$~\esc       &10$^{-19}$ \esca  \\ 
\noalign{\smallskip}\hline
\noalign{\smallskip}
02:28:02.97 & $-$04:16:18.3 & 23.77 & 872.3 & 1.3 &400  & 50 & 3.9 & 2.5 \\ 
\noalign{\smallskip}\hline
\end{tabular}
\end{table}